KENTEK 480 Watt 480W Black 8cm 80mm Fan ATX Power Supply 12V SATA 20/24 PIN Intel AMD 480 watt atx power supply perfect for upgrade and replacement 80mm large fan Quiet Performance and High energy efficiency Ball bearing fan, Sleeve on main connector Short circuit, over/under voltage surge, over current, under load and over power protection I/O ON/OFF switch for manual control